【医】 positive convergence
correctitude; just; positive; principal
【计】 POS
【化】 nor-; ortho-
【医】 iusto; nor-; o-; ortho-
gather; troop together; aggregate; assemble; concourse; convene; muster
rendezvous; congregation; concentration
【计】 disjoint set
【医】 aggregate; aggregation; agmen; agmina; convergence
【经】 assembly